Mcclellan w ashburn



2 Sheets-Sheet 1.

(No Model.)-

MQGLELLAN WASHBURN.

ORGAN STOP ACTION.

No. 442,343. Patented Dec.9, 1890.

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m5 mums PETERS ca, monnxm MOGLELLAN WASHBURN.

(No Model.) 2 Sheets-Sheet 2.

ORGAN STOP ACTION.

r a m r 0 D 8 w 1 9 W I n 0 m nu D m m w a t J I cw n vi I W P k. N w .8i NM UNITED STATES PATENT OFFICE.

MCCLELLAN \VASHBURN, OF VASHINGTUN, NElV JERSEY.

ORGAN STOP-ACTION.

SPECIFICATION forming part of Letters Patent No. 442,343, dated December9, 1890.

Application filed July 28,1896.

To all whom it may concern:

Be it known that 1, M OLELLAN W ASH- BURN, a citizen of theUnited'States, residing at Washington, in the countyof Warren and Stateof New Jersey, have invented a new and useful Stop Attachment forOrgans, of which the'following is a specification- This invention hasrelation to stop attachments for organs; and the objects of theinvention are to simplifythe construction of the stop-operatingmechanism, adapting the same for operating in connection either a grandorgan or an ordinary single stop organ, and to provide for a perfectadjust ment for the stop-levers and the mute-wire.

.Various other objects and advantages of the invention will hereinafterappear, and the novel features thereof will be particularly pointed outin the claims.

Referring to the drawings, Figure 1 is an elevation of an organ-actionconstructed in accordance with my invention. Fig. 2 is a rearperspective of the same. Fig. 3 is avertical transverse sectionillustrating so much of the construction as applies to my invention.

Figs. L and 5 are opposite end views. Fig. 6

is a detail in perspective ofthe toggle-lever.

Like numerals of reference indicate like parts in all the figures of thedrawings.

'1 designates the key-board, in rear of which is located the name-board2, in rear of which is the rear board 3. These boards are, as usual,

'der side of the'lever-bar 6. ters of the series of stops there issecured to provided with the opposite circular openings or bearings 4,in which is mounted the series of horizontal stops 5.

In rear of the rear board 3 there is located the horizontal bar 6, letinto which is a bearingrod 7, upon which opposite each stop is pivoted astop-lever 8, each of said levers being mounted in recesses 9 andadapted for oscillations upon their fulcrums. The upper ends of thelevers are provided with kerfs 10, and near their lower ends areprovided with adjustable set-screws 11, the ends of which are coveredwith sound-deadening disks 12, de-

signed to abut against the grand-organ bar 13, which latter is hinged,as at 14, to the un- Below the centhebase-board a base-strip 15,provided at points opposite each of the stops with cut-out portions orrecesses 16, and passing through Serial No. 360,217. (No model.)

the series of recesses is a fulcrum-wire 17. Mounted pivotally upon thewire 17 in each of the recesses 16 is the lower member 18 of thetoggle-lever, the upper end of said-memher being pivoted to the uppermember 1!) and bifurcated, as at'20, to receive the lower end of thelatter. Each of the stops near its center is provided with a slot 21, inwhich the upper end of the upper member of the toggle-lever is pivoted,as at 22.

23 designatesa series of connecting rods or wires, the outer ends ofwhich rest in the kerfs 10 of the'stop-levers 8, said ends extendingbeyond the rear faces of the levers and there threaded and provided withset screws 24, which may be run in or out upon the rods, said nuts beingfaced upon their inner ends, as at 25. The inner ends of theconnecting-rods pass through the inner ends of the toggle-lever membersvor sections, as shown at 26, and serve as pivots for said members.

27 designates the reed-cells,having the usual hinged mutes 28 located attheir front ends, said mutes being provided with the usualbearing-standards 29.

Notches 30 are formed in the several levers 8 near their lower ends andat their rear sides, and resting therein is a series of mute-wires 31,the front end of each wire being pivotally connected, as at 32, to thesaid bearing-standards 29. v

33 designates the left-hand pivoted kneelever located at the front andbelow the keyboard of the action, as is usual. At the lefthand side ofthe action is located a pair'of bearing-blocks 34:, in which is mountedfor oscillation a shaft 35, horizontally disposed and having its frontend cranked, as at 36,

around the front of the action, and pivotally connected, as at 37, tothe outer end of a rod 38, which passes through and is adapted toreciprocate in a bearing-block v39, secured to the front of the action,and is connected at its inner end to the left-hand knee-lever 33. Theleft-hand end of the hinged grand-organ bar 13 is provided with a pin4:0,extending into the action, said pin being inclined, as shown. Therear end of the shaft 35 is bent inwardly, forming an arm 41, which armrests upon the inclined arm of the grand-organ bar. By drawing upon anyone of the stops 5 it will be apparent-that the lower member of thetoggle-lever will be thrown to a horizontal position and the uppermember thereof swung to a vertical position. Such movementupon the partsof the toggle-lever members brings the joint thereof in advance of thepoint it occupies when the stop is closed. This draws upon the rod 23and draws the upper end of the lever 8, to which it is attached,inwardly, and consequently throws the opposite or lower end of saidlever to-the rear, which action, through the medium of the mute-wire,operates the mute 28 upon the reach 27. By pushing the stop inwardly asutiicient distance to bring the pivot-point 26 of the toggle-leverbeyond the dead-center it occupies when the stop is drawn out the fulldistance, the spring 42, which is connected to the mute and reed of theaction, serves to close the m ute and so act upon the mechanismdescribed as to finish the inward movement or reciprocation of the stop.By a proper manipulation of the set-screws 24 and 11 the stop-action maybe perfectly adjusted so that the mute will be closed completely atexactly the instant the buffer 12 of the set-screw 11 comes in contactwith the rear face of the grand-organ bar and the rear upper end of thelever 8 comes in contact with the inner face of the set-nut 24. Inaddition to the above the action of the stop is perfectly noiseless andeasy of movement when being drawn out or thrown in.

7L3 represents the front and rear hinged shutters of the right-handknee-lever, and said shutters are provided attheir right-hand ends withoutwardly-disposed pins 45.

46 designates a shaft mounted in bearings l7, located opposite the frontand rear sh utters, and said rod between the bearing-points is centrallycranked, as at 4:8, and upon the centrally-cranked portions rest thepins to.

49 designates a rod mounted for reciprocation in a hearing-block 50,said rod being connected at its outer end in a pivotal manner, as at 51,to the front bent end of the shaft to, and at its opposite end to theright-hand loud knee-lever. By operating this leverthe opposite shuttersare simultaneously opened by reason of the centrally-cranked portion ofthe shaft 46 being elevated and thus raising the free ends of theshutters.

The addition of the grand-organ bar 13, the knee-lever 33, the shaft 35,and the coacting elements, it will be observed, transforms an ordinarystop-organ into agrand organ, the distinguishing feature between the twobeing that in an ordinar Y stop-organ the stops are drawn separately,while in a grand organ the entire series of stops are drawn by acompression of the left-hand knee-lever. In the present instance it willbe apparent that a pressure upon the left-hand knee-swell will cause atilting or oscillation upon the part of the shaft 35 and a consequentdepression of the cranked end 41 thereof, which latter influences thegrand-bar 13, so as to swing he same out, and in so doing the outer faceof the bar comes against the series of setscrews 11 and swings the lowerends of the levers S outwardly, and thus draws upon the entire series ofmute-wires 31 and operates the entire series of in utes 28. The adjustment of the set-screws 11 is so fine and accurate that the slightestmovement upon the part of the grand-organ bar influences each of saidlevers to exactly the same degree andin accordance with the amount ofmovement given to the grand-organ bar. \Vhen thus operated, the stops 5,the toggle-levers, and the connectingrods orwires remain inactive, forthe reason that the kerfs 10 at the upper ends of the levers permit thelevers at said upper ends to swing to the front without actuating therods 23.

Having thus described my in vention, what I claim is 1. The combination,with an organ-action comprising the usual stops, mutes, and reeds, of aseries of pivoted levers arranged between the stops and reeds,toggle-levers pivotally connected at their upper ends to the stops andat their lower ends to the frame-work of the action, wire rods connectedto the joints of the toggle-levers and to the upper ends of the pivotedlevers, and wires loosely connected at the front ends to the mutes andat their rear ends to the lower ends of the pivoted levers,substantially as specified.

2. The combination, with an organ-action comprising a series ofcentrally-slotted stops, a series of reeds, aseries of hinged mutes, andspring-wires for closing the mutes, of togglelevers pivoted at theirupper ends within the slots of the stops and at their lower ends to theframe of the action, a series of centrally-pivoted levers, rodsconnecting the upper ends of said levers to the pivots of thetoggle-levers at their joints, and wires connecting the lower ends ofsaid pivoted levers to the mutes, substantially as specified.

3. In a grand-organ action, the combination, with a series ofreciprocating stops, a series of mutes, a series of reeds, and atransversely arranged and hinged grand-organ bar, of a series of levers,one for each stop, pivoted in rear of the grand-organ bar, connectionsbetween the lower ends of thelevers and the mutes, a kneeleverandmechanism connectingthe samewith the g rand-organ bar,whereby thelattermay be swung against the lower end of the series of pivoted levers, androds or wires loosely connected at their front end to the stops,threaded and passed through openings formed in the upper ends of thepivoted levers, and setscrews threaded on the ends of the rods outsideof the levers, substantially as specified.

4t. In a grand-organ action, the combination, with the series ofreciprocating stops, the series of mutes and reeds arranged under thesame, and a grand-organ bar hinged between the stops and reeds, of aseries of pivoted levers having openings in their upper ends, rodspassed through the openings, threaded at their rear ends and looselyconnected to the stops at their front ends, set-nuts mounted on therods, set-screwsinounted upon the inn er lower ends of the levers, aknee-lever, and means for con necting the same with the grand-organ barand swinging the latter against the'setscrews, substantially asspecified.

5. The combination, with a grand-organ action comprising the usualstops, reeds, mutes, and the transverse grand-organ bar. hinged be tweenthe stops and reeds, of a fulcrum-bar notched opposite'the stops andhaving'a fulcrnm-Wire; a series of levers mounted upon the fulcrum-barand havingtheir upper ends provided with kerfs and their lower endsnotched, wires connecting the mutes with the lower notched ends,set-screws inserted in the lower ends of the levers and adaptedto bestruck by the grand-organ'bar,,toggle-levers connected at their upperends to the stops and at their lower ends to the frame-work of theaction, wire rods bent at their front ends to pivotally connect theinnerends of the toggle-lever members and having their outer endspassing loosely through the kerfs in the levers and there provided withset-nuts, a crank-shaft journaled at the side of the action;a knee-leverat the left-hand side in front of the aetion,arod mounted forreciprocation in the bearing-bracketand loosely connecting theknee-lever with the front end of the crankshaft, and an arm mounted uponthe inner faceof the grand-organ bar and inclined and adapted to supportthe rear crank-arm of the crank-shaft, substantially asspecified.

In testimony that I claim the foregoing as my own I have hereto affixedmy signature in presence of two witnesses.

MCOLELLAN VASHBURN. \Vitnesses:

T. E. GALLoWAY, JOSEPH BROTZMAN.

